Home / 31,482,649.50-47,117,312.82-19,359,791.34

Finding the Fourth Proportional to 31,482,649.50, 47,117,312.82 and 19,359,791.34

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Solution

The fourth proportional to 31,482,649.50, 47,117,312.82 and 19,359,791.34 is: 28,974,097.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,482,649.50 : 47,117,312.82 = 19,359,791.34 : x
  2. Step 2: Convert to fraction form
    31,482,649.50/47,117,312.82 = 19,359,791.34/x
  3. Step 3: Cross multiply
    31,482,649.50x = 47,117,312.82 × 19,359,791.34
  4. Step 4: Simplify right side
    31,482,649.50x = 912,181,344,696,707
  5. Step 5: Solve for x
    x = 912,181,344,696,707/31,482,649.50
  6. Step 6: Final answer
    x = 28,974,097.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.